Storage rack



FIG. 1 is a front isometric view of the storage rack embodying our design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof, the bottom view thereof being plain and unornamented;

FIG. 4 is a right-side elevational view thereof, the left-side elevational view being a mirror image thereof; and,

FIG. 5 being a back elevational view thereof.

The broken lines in the drawing figures are for environmental purposes only and form no part of the claimed design. 

The ornamental design for a storage rack, as shown and described herein. 